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TECMO KOEI | Official Site
MMORPG | Setting:Fantasy | Status:Final  (rel Q4 2010)  | Pub:CJ Internet
PVP:Yes | Distribution:Download | Retail Price:n/a | Pay Type:Free | Monthly Fee:n/a
System Req: PC | Out of date info? Let us know!

Uncharted Waters Online

Uncharted Waters Online is a free-to-play historic nautical MMORPG developed by Tecmo Koei and published by OG Planet. The game is set within a romanticized version of the Age of Exploration and features the ability for players to conquer a number of neutral territories in the name of their chosen nation, and essentially will let players live, work and play the past, rewriting the 15th century to make their own history. Players can also buy and build ships, allowing for additional customization options, and can even participate in PvP with dozens of players. Players may choose from among 6 nationalities, 3 base classes, and several occupations as they chart their own path on and off the high seas.


  • Age of Exploration | UWO does away with the drudgery of hack & slash gameplay, opting instead to allow players to channel their inner Christopher Columbus, Vasco da Gama, Marco Polo, and many other famous explorers.
  • 3 Years of Gametime | UWO boasts no less than 3 years of unique playing time, with hundreds and thousands of places, items, and people to discover, explore, and meet.
  • Hundreds of Game Objectives | More than 75 professions and 100 skills to master.
  • Historical Ships | Choose to buy or build from a wide selection of historical ships, such as the Hansa cog, Baltic galleon, Spanish carrack, Turkish galley, and English frigate.
  • Conquer the World | Hundreds of neutral cities wait to be conquered and governed, spreading your influence across the globe.
  • Naval PvP | Colossal 100 vs 100 PvP battles!
  • Player Land & Housing | Own your own house in a city, or find an island of your own and build a farm to grow crops and raise livestock.
Revival Posted by frostymug on July 10, 2018 @ 11:55PM
Now Available On Steam Posted by Avanah on December 23, 2016 @ 11:12AM
Starting out in UWO Posted by Karahandras on August 9, 2015 @ 8:16AM
Terrible Game. Posted by Quizzical on July 11, 2015 @ 8:33AM
Game will not install Posted by hazedancer on August 24, 2013 @ 6:17AM
Moving servers Posted by VanChen on March 8, 2013 @ 3:30PM
My charachter is gone!!!! Posted by VanChen on March 8, 2013 @ 3:27PM
UWO update to 2nd soon Posted by VanChen on March 8, 2013 @ 3:25PM

OGPlanet Service Ends 9/29, Papaya Play Starts 10/18

OGPlanet Service Ends 9/29, Papaya Play Starts 10/18 - Uncharted Waters Online News

OGPlanet is ceasing operations of Uncharted Waters Online on September 29th. However, Papaya Play is picking the nautical MMO and will set sail on October 18th. The content release schedule already in the works, including the Revolution expansion, will begin again after the new service starts on the 18th. It seems that accounts will be transferred to the new host and "OGPlanet is inviting players to refamiliarize themselves with their OGP IDs and passwords" in preparation.

Posted Sep 25, 2017 by Suzie Ford

The Industrial Revolution Takes to the High Seas

The Industrial Revolution Takes to the High Seas - Uncharted Waters Online News

Uncharted Waters Online has been updated with Age of Revolution Chapter 1: Industrial Revolution. The new content brings technological advancement and big changes to the game including modern firearms and the steam engine. Players will find new recipes with fewer required components in order to facilitate production.

Posted Apr 21, 2017 by Suzie Ford

Barca Solar Update Sets Sail

Barca Solar Update Sets Sail - Uncharted Waters Online News

The second chapter of Episode Atlantis has been released to Uncharted Waters Online servers. Called Barca Solar, the updated includes transmutation alchemy, a new location called Ancient Ganador, new quests, maps and ships.

Posted Aug 06, 2016 by Catherine Daro

Episode Atlantis Expansion to Set Sail on May 12th

Episode Atlantis Expansion to Set Sail on May 12th - Uncharted Waters Online News

OGPlanet has announced the first details about the forthcoming Uncharted Waters Online expansion scheduled to launch on May 12th. Called Episode Atlantis, the expansion will ultimately consist of three chapters beginning with the May 12th release.

Posted Apr 29, 2016 by Suzie Ford

Ancient Glory Expansion Sets Sail

Ancient Glory Expansion Sets Sail - Uncharted Waters Online News

OGPlanet has announced the successful deployment of the latest expansion to Uncharted Waters Online. Called "Ancient Glory", the expansion brings players to a Neo-Babylonian Empire that includes the Hanging Gardens, Tower of Babel and the Mesopotamia River Basin region. In addition, new relics and discoveries themed around the time period have been included as well as a pair of new ships.

Posted Feb 25, 2016 by Suzie Ford
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